. >> and so we want our fans to come out and enjoy the weekend and know this is a safe environment and we're doing all we can to ensure their safety. >> reporter: again, if you plan to come to tomorrow's game you are urged to arrive early. it will take extra time to get through security at the front gate but we're told it will be time well spent. reporting live in san francisco, i'm jodi hernandez, nbc bay area news. >>> with the nation on high alert a suspicious package disrupted the commenting of the anniversary. somebody left a canvas bag on the sidewalk, crowds gathered to mark the anniversary. with the access blocked, the crowd walked to union square and held the ceremony there. >> obviously, the suspicious package, in light of what happened in boston, erring on the side of caution as we always do the area was shut down. >> turns out the bag was harmless and contained only clothes and papers. after the streets reopened participants placed the wreath back at the fountain. >>> and coming up at 6:30, we'll go live to boston with our own terry mcsweeney and how they are investigating.